IKN Guitar Bridge 6 Saddle Hardtail Top Load 78mm with Wrench (Chrome) For most 6-string electric guitar bridge replacement. String spacing is standard 10.5mm,Size: approx. 78mm * 43mm. Material: Metal with chrome plated color,come with mounting screws and wrench. Top Loading style,easy to install,Features adjustable saddles. Package Include:1 x Guitar Bridge,1 x wrench,4 x mounting screws.